<?php
/**
 * Zym Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 *
 * @category Zym
 * @package Zym_Filter
 * @copyright  Copyright (c) 2008 Zym. (http://www.zym-project.com/)
 * @license http://www.zym-project.com/license New BSD License
 */

/**
 * @see Zend_Filter_Interface
 */
require_once 'Zend/Filter/Interface.php';

/**
 * Fake filter that does not do anything
 *
 * @author Geoffrey Tran
 * @license http://www.zym-project.com/license New BSD License
 * @category Zym
 * @package Zym_Filter
 * @copyright  Copyright (c) 2008 Zym. (http://www.zym-project.com/)
 */
class Zym_Filter_Dummy implements Zend_Filter_Interface
{
    /**
     * Returns the result of filtering $value
     *
     * @param  mixed $value
     * @throws Zend_Filter_Exception If filtering $value is impossible
     * @return mixed
     */
    public function filter($value)
    {
        return $value;
    }
}